US8091296B2 - Storm collar apparatus and method of installation - Google Patents
Storm collar apparatus and method of installation Download PDFInfo
- Publication number
- US8091296B2 US8091296B2 US12/697,587 US69758710A US8091296B2 US 8091296 B2 US8091296 B2 US 8091296B2 US 69758710 A US69758710 A US 69758710A US 8091296 B2 US8091296 B2 US 8091296B2
- Authority
- US
- United States
- Prior art keywords
- shield
- collar
- storm
- exhaust stack
- storm collar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
Links
- 238000000034 method Methods 0.000 title claims description 5
- 238000009434 installation Methods 0.000 title description 8
- 238000004873 anchoring Methods 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 8
- 230000035699 permeability Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 13
- 230000006835 compression Effects 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
Definitions
- the embodiments discussed herein relate to a storm collar apparatus. More specifically, a storm collar that shields the base of exhaust stacks located on building roofs and reduces water and ice formation on and around the exhaust stacks, is described.
- Storm collars are used to divert moisture from entering a building or other structure through the flashing and joints found at exhaust stacks, typically on a roof. If moisture gets into the joints of or under the exhaust stack or flashing, the moisture can penetrate deeper into the building and cause damage. For example, moisture can damage the building structure or the electronics, and it can create a hazard on walkways within the structure after leaking in through the roof. Additionally, when moisture gets into the flashing or joints, it can freeze and expand, which creates stress on the structure from the expansion pressure and can cause additional physical damage to the structure. This damage then requires additional maintenance and repair costs.
- a wide variety of shields or covers are commonly used to protect the flashing and exhaust stack from physical damage as discussed above.
- the integrity of the seal between the roof surrounding the exhaust stack and the external atmosphere is dependent in part on the protection afforded by the storm collar.
- One example of a related storm collar is configured such that the bottom perimeter of the shield is flush with the roof surface, and the top perimeter of the shield abuts the outer circumference of the exhaust stack.
- this particular design may shield the base of the exhaust stack from direct exposure to moisture, moisture may still penetrate, either around the bottom perimeter of the shield or between the stack and the top perimeter of the shield for example, and seep into the flashing.
- a storm collar may be installed after an exhaust stack is already in use. Because of the chemicals that are often exhausted through such stacks, installation of a storm collar after the stack is in use can be dangerous. Beyond the basic potential human exposure to the chemicals, there is also the potential for a chemical reaction occurring depending on how the storm collar is installed. Installation of some storm collars requires construction involving “hot work,” which includes high temperatures and/or fire, such as in welding. The use of “hot work” during installation raises the risk of a negative chemical reaction occurring due to the heat or fire involved. Such a reaction could cause physical damage or injury to the building and exhaust stack structure or to those performing the installation.
- Another problem with other related storm collars is that installation may require breaching the exterior perimeter of an exhaust stack or the roof in order to secure a component of the storm collar directly to the stack. For example, screws, nails, or other forms of attaching materials may puncture the stack or roof to secure a portion of the storm collar. These forms of attachment cause structural damage to the exhaust stack and/or the roof, thereby increasing cost of maintenance and further increasing the chance for moisture to enter the structure through the puncture.
- a storm collar that includes a shield and an upper anchoring collar removably disposed on a top portion of the shield.
- the storm collar is supported by support arms that have an upper end removably attached to an underside of the shield and a lower end that extends inward toward a central axis of the shield. Additionally, a lower anchoring collar is attached to the lower ends of the support arms.
- a shield and a means for securing a top portion of the shield to an exhaust stack there is provided a shield and a means for securing a top portion of the shield to an exhaust stack. Additionally, a means for supporting the shield is provided, such that a bottom perimeter of the shield is disposed outwardly lower than a top perimeter of the shield. Also included is a means for decreasing liquid permeability between shield joints and between the shield and the stack.
- a method of installing the storm collar includes: adjoining one or more shield sections around an exhaust stack; inserting a gasket between joints of adjacent shield sections; securing an upper anchoring collar on a top portion of the shield sections; connecting a plurality of support arms to the shield sections, such that an upper end of each support arm is attached to an underside of the shield and a lower end of each support arm extends inward toward a center of the shield; and securing a lower anchoring collar to the lower ends of the plurality of support arms, such that the lower anchoring collar is affixed on the exhaust stack below the shield.
- the storm collar includes an exhaust stack; a shield surrounding the exhaust stack; an upper anchoring collar removably disposed on a top portion of the shield; a plurality of support arms, an upper end of each support arm being removably attached to an underside of the shield and a lower end of each support arm extending inward toward a central axis of the shield; a lower anchoring collar removably attached to the lower ends of the plurality of support arms; and a plurality of gaskets disposed between shield joints.
- FIG. 1 is a perspective view drawing of an assembled storm collar according to an exemplary embodiment of the present disclosure
- FIG. 2 is an exploded perspective view drawing of a storm collar according to an exemplary embodiment of the present disclosure
- FIG. 3 is a perspective view drawing of a shield piece of a storm collar according to an exemplary embodiment of the present disclosure
- FIG. 4 is a partial cross-sectional side view drawing of an assembled storm collar according to an exemplary embodiment of the present disclosure
- FIG. 5 is a perspective view drawing of an upper anchoring collar of a storm collar according to an exemplary embodiment of the present disclosure.
- FIG. 6 is a perspective view drawing of a lower anchoring collar of a storm collar according to an exemplary embodiment of the present disclosure.
- FIG. 1 is a perspective view of an assembled storm collar 1 attached to an exhaust stack 20 .
- the shield 2 is supported by support arms 10 and lower anchoring collar 12 .
- An upper anchoring collar 6 secures the top of the shield 2 to the exhaust stack 20 , by compressing an upper gasket 8 between the exhaust stack 20 and the shield 2 to make a tight compression fit.
- FIG. 2 is an exploded perspective view of the storm collar 1 to show the individual components more clearly.
- the storm collar 1 is designed with sectional components of substantially similar shape and size so that the component pieces are interchangeable with other component pieces of the same type, which simplifies the assembly. In other words, so long as the correct quantity of each component is present, the individual pieces can be assembled in any order because each section piece is substantially similar.
- the shield 2 is divided into multiple sections, which are joined at a shield side flange 2 b to make a continuous upper surface. Between each shield 2 section, a joint gasket 4 is inserted to decrease moisture permeability at the joint and to direct any moisture to run off the bottom perimeter of the shield 2 , instead of accumulating at the joint. Note that only two of four joint gaskets 4 are shown in FIG. 2 , but it is implied that a joint gasket 4 is installed between each shield 2 section.
- These joint gaskets 4 can be made of a variety of materials, including polychloroprene, also known as Neoprene. Polychloroprene is desirable due to its elastic and water-repelling properties, thus making polychloroprene ideal for a compression fit between potentially inconsistent surfaces on the shield 2 caused by the manufacturing process.
- FIGS. 1 , 3 , and 4 show that the assembled shield 2 sections extend outward from the exhaust stack.
- the shield 2 sections are supported by an upper end of the support arms 10 , which is attached to an interior portion of a side flange 2 b .
- a lower end of the support arms 10 extends from the side flange 2 b to the joints of a lower anchoring collar 12 .
- the support arms 10 could be attached at other locations underneath the shield, such as if another means for connection were positioned away from the side flanges 2 b . As shown in FIG.
- each support arm 10 connects on the interior portion of the side flange 2 b , so that the exterior portion of the side flanges 2 b is flush with the joint gaskets 4 , thereby creating a tight seal between shield 2 sections.
- the lower anchoring collar 12 is divided into multiple parts ( 12 a , 12 , 12 c , and 12 d , as shown in FIG. 6 ) for the convenience of securing the support arms 10 .
- a tight seal is formed between the exterior surface of the exhaust stack and the top perimeter of the shield 2 .
- This tight seal is accomplished by placing an upper gasket 8 around the exhaust stack at a predetermined height.
- the height of the upper gasket 8 on the exhaust stack, and the top perimeter of the storm collar 1 will generally correlate to the location where condensation begins to form on the exterior of the stack.
- the upper gasket 8 is shown in FIG. 2 as a single, continuous piece, it is understood that the upper gasket 8 could be divided into multiple sections as well. Note, however, that by using a single, continuous upper gasket 8 , there are fewer joints exposed to moisture penetration.
- the upper gasket 8 may be formed from a variety of materials, ideally from polychloroprene.
- the upper flange 2 a of each shield 2 section is placed against the upper gasket 8 .
- the upper anchoring collar 6 is secured around the outside of the upper flanges 2 a of the connected shield 2 sections, thereby making a compression seal by compressing the upper flanges 2 a onto the upper gasket 8 , which is compressed against the exhaust stack.
- the upper anchoring collar 6 is divided into two pieces ( 6 a and 6 b ), but could be divided into more if desired. It is also possible, depending on the material used and the size of the exhaust stack, that the upper anchoring collar could be a single piece.
- the bottom perimeter of the shield 2 has a rolled edge, as is seen in FIG. 4 .
- the technique of rolling the edge is used to strengthen the bottom perimeter of the shield 2 .
- a rolled edge is a safety feature, in that it replaces a potentially sharp bottom perimeter edge on the shield 2 .
- the upper surface of the shield 2 includes a black or dark-colored coating.
- the coating can be a paint or a non-stick coating, such as is made by Wearlon®.
- the black or dark-colored coating acts a passive-heating element to melt ice or snow using the rays of the sun. As such, no electric components are necessary to melt the ice and/or snow that accumulates on the shield and which could damage the exhaust stack flashing.
- the storm collar 1 As mentioned previously, several components of the storm collar 1 are sectionalized. Several benefits are obtained by dividing the components into smaller sections. One primary benefit is the ease of assembly and transportation. Since the parts are in sections, there is no need to wrap a shield around the exhaust stack, nor, in the case of a unitary shield, is there a need to elevate the shield high enough to slide over the top of an exhaust stack. Instead, the storm collar 1 can be brought to the roof in smaller pieces and assembled quickly and simply, with minimal tools required.
- storm collar 1 do not require welding, dangerous construction, or even the need to screw or bolt the storm collar 1 to the exhaust stack or roof.
- the joints are all secured through compression fits between the other parts of the storm collar 1 itself and the exterior surface of the exhaust stack. Therefore, the storm collar 1 can be installed on preexisting exhaust stacks without concern for potential chemical reactions, which may be induced by related assembly methods that include hot welding for example.
- the storm collar 1 can also be installed without causing structural damage the exhaust stack or the roof.
- the shield and other components may be made of steel having varying gages, or a weaker material such as aluminum. The choice of material will depend on the expected load that the shield might bear. In particular, if heavy snow or ice is expected to form on the shield, the components should be made of a stronger material and/or a smaller gage of material to support the heavier load.
- the quantity of support arms could vary depending on the number of shield sections, preferably maintaining at least one support arm for each shield section.
- the inner diameters of the top perimeter of the shield, the anchoring collars, and the upper gasket will vary depending on the size of the stack.
- the outer perimeter of the shield may vary in shape as well, such as being pyramidal, for example.
- the pitch of the slope on the shield, and the overall horizontal distance to which the shield extends away from the exhaust stack, may also vary greatly depending on the size of the flashing around the stack needing protection and the height of the storm collar above the base of the exhaust stack.
- a preferred embodiment of the present invention implements a shield with approximately a 45 degree slope, which reinforces the compression fit on the lower anchoring collar when a load is placed on the shield from snow or ice.
- the storm collar as described herein is easy to assemble, which makes it more suitable for installing a storm collar on preexisting exhaust stacks. Further, the compression fit of the storm collar structure displaces moisture from the exhaust stack and flashing very effectively. Therefore, the storm collar helps prevent damage to the building and reduces needless maintenance costs.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
Abstract
Description
Claims (21)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US12/697,587 US8091296B2 (en) | 2010-02-01 | 2010-02-01 | Storm collar apparatus and method of installation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/697,587 US8091296B2 (en) | 2010-02-01 | 2010-02-01 | Storm collar apparatus and method of installation |
Publications (2)
Publication Number | Publication Date |
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US20110185676A1 US20110185676A1 (en) | 2011-08-04 |
US8091296B2 true US8091296B2 (en) | 2012-01-10 |
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US12/697,587 Expired - Fee Related US8091296B2 (en) | 2010-02-01 | 2010-02-01 | Storm collar apparatus and method of installation |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100307017A1 (en) * | 2009-06-03 | 2010-12-09 | Kiyoshi Saito | Underwater Foundation Leveling Device |
US20130189915A1 (en) * | 2011-08-01 | 2013-07-25 | Thomas Hazard | Universal chimney pipe cover |
US9238898B1 (en) * | 2014-09-05 | 2016-01-19 | Daniel John Johnson | Rain diverter |
US10371005B2 (en) * | 2016-07-20 | 2019-08-06 | United Technologies Corporation | Multi-ply heat shield assembly with integral band clamp for a gas turbine engine |
US10494963B2 (en) * | 2015-07-07 | 2019-12-03 | United Technologies Corporation | Thermally compliant heatshield |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113966436B (en) | 2019-06-04 | 2023-08-22 | 维斯塔斯风力系统有限公司 | Anti-icing hood for tower mounting apparatus |
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US1442172A (en) | 1921-12-21 | 1923-01-16 | Albert G Nelson | Flashing |
US1686881A (en) | 1927-03-17 | 1928-10-09 | Robert J Stephenson | Roof flashing |
US3105664A (en) * | 1963-10-01 | poradun | ||
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US4437687A (en) * | 1980-11-24 | 1984-03-20 | Wilson James H | Waterproof assembly or sealing an aperture housing a conduit |
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US6591561B1 (en) | 1999-02-01 | 2003-07-15 | Lawrence P. Evensen | Waterproof roof deck post construction |
US6640503B1 (en) * | 1999-02-01 | 2003-11-04 | Lawrence P. Evensen | Waterproof roof deck post construction and method |
US20030233797A1 (en) * | 2002-06-25 | 2003-12-25 | Anderson Dean A. | Air handling system including shroud and grille, and method of use |
US20040255523A1 (en) * | 2004-03-08 | 2004-12-23 | Andre Bibaud | Flashing for inclined roof and method for installing the same |
US6852023B2 (en) | 2003-01-21 | 2005-02-08 | Copperfield Chimney Supply, Inc. | Liner adaptor for chimneys |
US20050150176A1 (en) | 2003-12-31 | 2005-07-14 | Craig Erekson | Pipe flashing UV shield |
US20050204648A1 (en) * | 2004-03-15 | 2005-09-22 | Andre Bibaud | Flashing adaptable to different shapes of roof |
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2010
- 2010-02-01 US US12/697,587 patent/US8091296B2/en not_active Expired - Fee Related
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US1442172A (en) | 1921-12-21 | 1923-01-16 | Albert G Nelson | Flashing |
US1686881A (en) | 1927-03-17 | 1928-10-09 | Robert J Stephenson | Roof flashing |
US3871145A (en) | 1973-04-05 | 1975-03-18 | James W Hatmaker | Flashing for pitch pocket |
US4622887A (en) * | 1975-12-05 | 1986-11-18 | Jimco Products, Inc. | Ventilation apparatus and methods of making and using same |
US4437687A (en) * | 1980-11-24 | 1984-03-20 | Wilson James H | Waterproof assembly or sealing an aperture housing a conduit |
US4453562A (en) * | 1982-09-16 | 1984-06-12 | Topline Products, Inc. | Rain shield for insulated pipe installations |
US5176408A (en) * | 1987-06-04 | 1993-01-05 | Pedersen Raymond J | Seal device for pipes passing through roof structures |
US5018748A (en) * | 1988-05-27 | 1991-05-28 | Aquarius Rubber (Aust.) Pty. Ltd. | Seal device |
US4897974A (en) * | 1989-01-04 | 1990-02-06 | Lane Byron D | Vent pipe roof mount |
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US5226263A (en) * | 1991-08-22 | 1993-07-13 | Wil-Mar Products, Inc. | Weather-tight roof flashing shield |
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US5832675A (en) * | 1997-04-09 | 1998-11-10 | David Zuares | Prefabricated post base flashing |
US5946863A (en) * | 1998-03-02 | 1999-09-07 | Bullard; Robert D. | Replacement flashing for weatherhead |
US6185885B1 (en) * | 1999-01-08 | 2001-02-13 | Ken Thaler | Roof flashing assembly |
US6591561B1 (en) | 1999-02-01 | 2003-07-15 | Lawrence P. Evensen | Waterproof roof deck post construction |
US6640503B1 (en) * | 1999-02-01 | 2003-11-04 | Lawrence P. Evensen | Waterproof roof deck post construction and method |
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US20070221195A1 (en) * | 2006-03-08 | 2007-09-27 | Andre Bibaud | Coupling for direct venting system |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100307017A1 (en) * | 2009-06-03 | 2010-12-09 | Kiyoshi Saito | Underwater Foundation Leveling Device |
US8215026B2 (en) * | 2009-06-03 | 2012-07-10 | Kiyoshi Saito | Underwater foundation leveling device |
US20130189915A1 (en) * | 2011-08-01 | 2013-07-25 | Thomas Hazard | Universal chimney pipe cover |
US10690343B2 (en) * | 2011-08-01 | 2020-06-23 | Top Hat Chimney Systems, Inc. | Universal chimney pipe cover |
US9238898B1 (en) * | 2014-09-05 | 2016-01-19 | Daniel John Johnson | Rain diverter |
US10494963B2 (en) * | 2015-07-07 | 2019-12-03 | United Technologies Corporation | Thermally compliant heatshield |
US10371005B2 (en) * | 2016-07-20 | 2019-08-06 | United Technologies Corporation | Multi-ply heat shield assembly with integral band clamp for a gas turbine engine |
US11066953B2 (en) | 2016-07-20 | 2021-07-20 | Raytheon Technologies Corporation | Multi-ply heat shield assembly with integral band clamp for a gas turbine engine |
Also Published As
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US20110185676A1 (en) | 2011-08-04 |
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Owner name: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AME Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HORN, MICHAEL WILLIAM;REEL/FRAME:023881/0138 Effective date: 20100125 |
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